/*----- from structure.c -----*/
void find_structure(CanonImage *im);
-CanonImage *file_read_image_ppm(FILE *f);
void read_screenshots(void);
+void read_one_screenshot(void);
void analyse(void);
/*----- from convert.c -----*/
extern FILE *screenshots_file;
-void vprogress(const char *fmt, va_list);
-void progress(const char *fmt, ...);
+#define FMT(f,a) __attribute__((format(printf,f,a)))
-void vprogress_log(const char *fmt, va_list);
-void progress_log(const char *fmt, ...);
+void vwarning(const char *fmt, va_list) FMT(1,0);
+void warning(const char *fmt, ...) FMT(1,2);
+
+void vprogress(const char *fmt, va_list) FMT(1,0);
+void progress(const char *fmt, ...) FMT(1,2);
+
+void vprogress_log(const char *fmt, va_list) FMT(1,0);
+void progress_log(const char *fmt, ...) FMT(1,2);
+
+void vprogress_spinner(const char *fmt, va_list) FMT(1,0);
+void progress_spinner(const char *fmt, ...) FMT(1,2);
/*----- from pages.c -----*/